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 # Interface IDocument3D

 Last update: 09.03.2026 

<a id="VM_Models_Pre_IDocument3D"></a>

Namespace: [VM.Models.Pre](VM.Models.Pre.md)  
Assembly: VM.Models.Pre.dll

```csharp
public interface IDocument3D : IHandledDocument, IDocument, IObject, IEventProvider, IContainer, ILinkContainer, IOwned, IHasID, IDocumentOwner

```

#### Implements

[IHandledDocument](VM.Models.Pre.IHandledDocument.md), [IDocument](VM.Models.Pre.IDocument.md), [IObject](VM.Models.Pre.IObject.md), [IEventProvider](VM.Models.Pre.IEventProvider.md), [IContainer](VM.Models.Pre.IContainer.md), [ILinkContainer](VM.Models.Pre.ILinkContainer.md), [IOwned](VM.Models.Pre.IOwned.md), IHasID, [IDocumentOwner](VM.Models.Pre.IDocumentOwner.md)

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_), [IDocumentExtensions.IsExistNameInDocument(IDocument, string)](VM.Models.Pre.IDocumentExtensions.md#VM_Models_Pre_IDocumentExtensions_IsExistNameInDocument_VM_Models_Pre_IDocument_System_String_)

## Properties

### <a id="VM_Models_Pre_IDocument3D_Categories"></a> Categories

```csharp
IEnumerable<string> Categories { get; }

```

#### Property Value

IEnumerable&lt;string&gt;

### <a id="VM_Models_Pre_IDocument3D_Comment"></a> Comment

```csharp
string Comment { get; set; }

```

#### Property Value

string

### <a id="VM_Models_Pre_IDocument3D_IconSize"></a> IconSize

```csharp
double IconSize { get; set; }

```

#### Property Value

double

## Methods

### <a id="VM_Models_Pre_IDocument3D_FindCategory_System_String_"></a> FindCategory(string)

```csharp
string FindCategory(string typeName)

```

#### Parameters

`typeName` string

#### Returns

string

### <a id="VM_Models_Pre_IDocument3D_GetCategoryChildren_System_String_"></a> GetCategoryChildren(string)

```csharp
IEnumerable<IObjectBase> GetCategoryChildren(string categoryName)

```

#### Parameters

`categoryName` string

#### Returns

IEnumerable&lt;[IObjectBase](VM.Models.Pre.IObjectBase.md)&gt;